I bet you could find a used one, modified for pretty cheap (maybe not landcruiser, but probably a 4runner)You could probably find a pretty decent trail rig with mods for under $5K. Look here:
http://www.pirate4x4.com/forum/forumdis ... umid=36The trick is finding one in your area. Most of these are in the California area. Most of those rigs are pretty old and beat up. You wouldn't have to worry about denting it. You probably would have to worry about maintaining it, but heck - its just for fun (read: a toy) - its not like you are going to be driving daily.